Gnome is a highly configurable desktop environment it’s use has increased since Ubuntu switched back from the Unity desktop. To soften the impact of switching desktop managers, Ubuntu decided to customise the release in 18.04 to give it a unity feel. Gnome Shell however has much more potential for improvement and customisation. The best way to customise it? Start from scratch with the basic Gnome Shell and select how you want your workflow to perform.
To Start open a terminal window and enter the following commands:
sudo apt-get upgrade sudo apt-get install gnome-session
This installs the basic desktop, next let’s install the gnome Plymouth boot up theme, gnome tweaks, to make enable us to make customisations and the connector module for chrome and firefox. This enables extensions to be installed from the extensions.gnome.org website
sudo apt-get install gnome-tweaks chrome-gnome-shell plymouth-theme-ubuntu-gnome-logo
Next let’s remove the ubuntu branding from the login screen:
sudo update-alternatives --config gdm3.css
Select number 1 and the GDM login screen changes to the default theme. Reboot the machine and your presented with the new login screen:
Click on the gear icon and select either Gnome (Gnome Shell on wayland) or Gnome on Xorg and log in as normal for your new vanilla desktop ready for customisation.